package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 条件查询购物车商品
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);


    /**
     * 更新购物车商品的数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number =#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 添加购物车
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "VALUES " +
            "(#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);


    /**
     * 清空购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id=#{currentId}")
    void cleanShoppingCart(Long currentId);
}
